Handset speaker



FIG. 1 is a perspective view of a handset speaker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures showing the unclaimed portions of a handset and the broken lines shown on the handset speaker including the unshaded regions therein are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a handset speaker, as shown and described. 